﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WindowsFormsApplication1
{
    class StringUtils
    {
        public static Boolean isBlank(String str)
        {
            if (str.Equals(String.Empty) || str == null || str.Length <= 0
                || str.Equals(""))
            {
                return true;
            }
            return false;
        }
    }
}
